When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater than air dielectric. The dielectric constant of ceramic therefore is



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  1. Which of the following does not affect resistance?
  2. A 5 F capacitor charge to 5V has a stored charge equal to
  3. If a coil has a Q of 10a it means that
  4. An alloy composed of 84 % coppera 12 % manganese and 4 % nickel.
  5. The ratio of the flux density to the electric field intensity in the dielectric is called
  6. What value of R is needed with a 0.05 F Cfor an RCtime constant of 0.02 s?
  7. What determines the magnitude of electric current?
  8. Which of the following capacitors has the highest cost per F?
  9. Two complex numbers or phasors are said to be conjugate if they
  10. The ratio of W/VA in an ac circuit means
  11. An inductance of 1 mH is
  12. If the output resistance of a voltage source is 4 a it internal resistance should be
  13. For a linear circuita ___ voltage or current is used to calculate average power.
  14. The Q-factor of a parallel resonant circuit is also known as
  15. The capacitance of a capacitor is ___ relative permittivity.
  16. The result of rust in electrical (wire) connection is
  17. What is the purpose of a load in an electric circuit?
  18. What is the time constant for L of 240 mH in series with R of 20 ?
  19. When frequency of an ac wave decreasesa the value of XLin a coil
  20. Kirchhoffs laws (KCL and KVL) are applicable to
  21. The reciprocal of a complex number is
  22. In calculating maximum instantaneous power ___ voltage or current is used.
  23. For a series ACcircuita ___ is not used as a reference phasor.
  24. ³Any resistance R in a branch of a network in which a current I is flowing can be replaced by a…
  25. What is the reading of an ohmmeter for a shorted capacitor?
  26. The resistance of an insulator ___ when its temperature is increased.
  27. A trimmer is a variable capacitor in which capacitance is varied by changing the
  28. The internal resistance of an ideal voltage source is
  29. In the 5-band method of capacitor color codinga the first band indicates
  30. What rating of a resistor determines its ability to absorb heat?